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<div class="title">nrf51/Include/nrf_delay.h</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef _NRF_DELAY_H</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define _NRF_DELAY_H</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span>
<a name="l00004"></a>00004 <span class="preprocessor">#include &quot;nrf.h&quot;</span>
<a name="l00005"></a>00005 
<a name="l00006"></a>00006 <span class="comment">/*lint --e{438, 522} &quot;Variable not used&quot; &quot;Function lacks side-effects&quot; */</span>
<a name="l00007"></a>00007 <span class="preprocessor">#if defined ( __CC_ARM   )</span>
<a name="l00008"></a>00008 <span class="preprocessor"></span><span class="keyword">static</span> __ASM <span class="keywordtype">void</span> __INLINE nrf_delay_us(uint32_t <span class="keyword">volatile</span> number_of_us)
<a name="l00009"></a>00009 {
<a name="l00010"></a>00010 loop
<a name="l00011"></a>00011         SUBS    R0, R0, #1
<a name="l00012"></a>00012         NOP
<a name="l00013"></a>00013         NOP
<a name="l00014"></a>00014         NOP
<a name="l00015"></a>00015         NOP
<a name="l00016"></a>00016         NOP
<a name="l00017"></a>00017         NOP
<a name="l00018"></a>00018         NOP
<a name="l00019"></a>00019         NOP
<a name="l00020"></a>00020         NOP
<a name="l00021"></a>00021         NOP
<a name="l00022"></a>00022         NOP
<a name="l00023"></a>00023         NOP
<a name="l00024"></a>00024         BNE    loop
<a name="l00025"></a>00025         BX     LR
<a name="l00026"></a>00026 }
<a name="l00027"></a>00027 <span class="preprocessor">#elif defined ( __ICCARM__ )</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">void</span> __INLINE nrf_delay_us(uint32_t <span class="keyword">volatile</span> number_of_us)
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030 __ASM (
<a name="l00031"></a>00031 <span class="stringliteral">&quot;loop:\n\t&quot;</span>
<a name="l00032"></a>00032        <span class="stringliteral">&quot; SUBS R0, R0, #1\n\t&quot;</span>
<a name="l00033"></a>00033        <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00034"></a>00034        <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00035"></a>00035        <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00036"></a>00036        <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00037"></a>00037        <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00038"></a>00038        <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00039"></a>00039        <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00040"></a>00040        <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00041"></a>00041        <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00042"></a>00042        <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00043"></a>00043        <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00044"></a>00044        <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00045"></a>00045        <span class="stringliteral">&quot; BNE loop\n\t&quot;</span>
<a name="l00046"></a>00046        <span class="stringliteral">&quot; BX  LR\n\t&quot;</span>);
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048 <span class="preprocessor">#elif defined   (  __GNUC__  )</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">void</span> __INLINE nrf_delay_us(uint32_t <span class="keyword">volatile</span> number_of_us)
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051     <span class="keywordflow">while</span>(number_of_us--)
<a name="l00052"></a>00052     {
<a name="l00053"></a>00053         __ASM(<span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00054"></a>00054         <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00055"></a>00055         <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00056"></a>00056         <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00057"></a>00057         <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00058"></a>00058         <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00059"></a>00059         <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00060"></a>00060         <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00061"></a>00061         <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00062"></a>00062         <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00063"></a>00063         <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00064"></a>00064         <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00065"></a>00065         <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00066"></a>00066         <span class="stringliteral">&quot; NOP\n\t&quot;</span>
<a name="l00067"></a>00067         <span class="stringliteral">&quot; NOP\n\t&quot;</span>);
<a name="l00068"></a>00068     };
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070 <span class="preprocessor">#endif</span>
<a name="l00071"></a>00071 <span class="preprocessor"></span>
<a name="l00072"></a>00072 <span class="keywordtype">void</span> nrf_delay_ms(uint32_t <span class="keyword">volatile</span> number_of_ms);
<a name="l00073"></a>00073 
<a name="l00074"></a>00074 <span class="preprocessor">#endif</span>
</pre></div></div>
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